This LCD Portable Projector, PLC-XC56 (3,100 lumens) compliment Sanyo line of high-brightness projector for education and business markets. It is equipped with an active service in the Sanyo Filter (AMF) system, was included in the portable projector. This unique filtration system consists of a filter with 10 lengths of filtering material and the air sensor when the air flow and prevent dust reaching the filter detects clean if necessary. To prevent the theft of a small projector, Sanyo built several high security features. Security bar in the corner of the device accepts security wires up to 0.43 inch in diameter. In addition, locks the number of onboard pin when the projector is in use, have the internal speaker with 7 watts, which feature eliminates the need for external audio system.